INSTRUCTION DESCRIPTIONS

JSCLR

Jump to Subroutine if Bit Clear

Instruction Format:

JSCLR #n,X:aa,xxxx

JSCLR #n,Y:aa,xxxx

JSCLR

Opcode:

 

23

16

15

8

7

0

 

 

 

0

0 0 0 1 0 1 1

0 0 a

a a a a a

1 S 0 b b b b b

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ABSOLUTE ADDRESS EXTENSION

 

 

 

 

 

 

 

 

 

 

 

 

Instruction Fields:

#n=bit number=bbbbb,

aa=6-bit Absolute Short Address=aaaaaa, xxxx=16-bit Absolute Address in extension word

Absolute Short Address aaaaaa

Memory SpaceS

Bit Number bbbbb

000000

X Memory

0

00000

Y Memory

1

 

 

10111

111111

Timing: 6+jx oscillator clock cycles

Memory: 2 program words

A - 126

INSTRUCTION SET DETAILS

MOTOROLA

Page 395
Image 395
Motorola 24-Bit Digital Signal Processor, DSP56000 manual Jsclr #n,Xaa,xxxx Jsclr #n,Yaa,xxxx